A59 声学计量 标准查询与下载

JJG 893-1995 超声多普勒胎心仪超声源检定规程

Verification Regulation of Ultrasonic Source for Ultrasonic Doppler Fetal Heart Beat Detector

DIN EN 61183:1994 电声学.声级计无规入射声场及扩散声场校正

The document describes a free-field calibration method for determining random-incidence frequency response levels of sound level meters. Additionally, it describes a diffuse-field calibration method for determining diffuse-field sensitivity levels.#,,#

Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters (IEC 61183:1994); German version EN 61183:1994

NF S30-011:1994 声学.声级用优选基准数值

Acoustics. Preferred reference quantities for acoustic levels.

ISO 389-2:1994 声学 校正听力设备的基准零级 第2部分:纯音和插入式耳机用的基准等效阈声压级

Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.

Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

IEEE 1057-1994 数字化波形记录器

This standard defines specifications and describes test methods for measuring the performance of electronic digitizing waveform recorders, waveform analyzers, and digitizing oscilloscopes with digital outputs. The standard is directed toward, but not restricted to, general-purpose waveform recorders and analyzers.

Standard for Digitizing Waveform Recorders

ASA S12.18-1994 声压水平户外测量程序ASA 110-1994

Procedures for outdoor measurement of sound pressure level.

Procedures for Outdoor Measurement of Sound Pressure Level

JJG(船舶) 9-1994 混响室性能校验规程

Reverberation chamber performance verification procedures

JJG(船舶) 11-1994 半消声室性能校验规程

Specification for performance verification of semi-anechoic chamber

JJG 868-1994 毫瓦级标准超声源检定规程

Verification Regulation of Standard Ultrasonic Sources for Milliwatt Level

JJG(船舶) 10-1994 隔声室性能校验规程

Specification for performance verification of sound insulation room

ASA S12.9 PT 3-1993 描述和测量环境声音数量和程序,第3部分短期观察员测量ASA 109

Quantities and Procedures for Description and Measurement of Environmental Sound Part 3: Short-Term Measurements with an Observer Present ASA 109

Quantities and Procedures for Description and Measurement of Environmental Sound Part 3: Short-Term Measurements with an Observer Present ASA 109

JJG 448-1993 瓦级超声功率计检定规程

Verification Regulation of Ultrasonic Power Meters for Watt Level

JJG 806-1993 医用超声治疗机超声源检定规程

Verification Regulation of the Ultrasonic Source of Ultrasonic Therapeutic Equipment for Medical Use

ASA S12.9 PT 2-1992 描述和测量环境声音数量和程序,第2部分长期宽阔地区声音测量ASA 105

Quantities and Procedures for Description and Measurement of Environmental Sound Part 2: Measurement of Long-Term, Wide-Area Sound ASA 105

Quantities and Procedures for Description and Measurement of Environmental Sound Part 2: Measurement of Long-Term, Wide-Area Sound ASA 105

EN 20140-10:1992 声学.建筑物和建筑单元隔音的测量.小建筑单元隔气载声的实验室测量

Acoustics - Measurement of Sound Insulation in Buildings and of Building Elements - Part 10: Laboratory Measurement of Airborne Sound Insulation of Small Building Elements

EN 24869-1:1992 声学.听力保护器.主观法测量声衰减

Acoustics - Hearing Protectors - Subjective Method for the Measurement of Sound Attenuation (ISO 4896-1 : 1990)

EN 29052-1:1992 声学.动刚度的测定.第1部分:住宅中浮式地板支撑材料

Acoustics - Determination of Dynamic Stiffness - Part 1: Materials Used Under Floating Floors in Dwellings

ASA S12.16-1992 新机械噪声规范指南ASA 107

Guidelines for the specification of noise of new machinery.

Guidelines for the Specification of Noise of New Machinery ASA 107

ASA S12.15-1992 固定的园艺设备声学便携式电动工具声音发射测量

For Acoustics - Portable Electric Power Tools, Stationary and Fixed Electric Power Tools, and Gardening Appliances - Measurement of Sound Emitted

For Acoustics - Portable Electric Power Tools, Stationary and Fixed Electric Power Tools, and Gardening Appliances - Measurement of Sound Emitted

ASA S12.14-1992 安装在户外固定地方的听得见的报警装置声频输出功率现场测量方法

This standard specifies laboratory-based procedures for measuring, analyzing, and reporting the noise-reducing capabilities of hearing protection devices.

Methods for the Field Measurement of the Sound Output of Audible Public Warning Devices Installed at Fixed Locations Outdoors